Fixed #30453 -- Fixed crash of simple_tag() and inclusion_tag() when function is wrapped.

getfullargspec() doesn't work with wrapped functions.

1 files changed, 3 insertions, 3 deletions

diff --git a/django/template/library.py b/django/template/library.py
index f88c2af822..20bc86dac8 100644
--- a/django/template/library.py
+++ b/django/template/library.py
@@ -1,6 +1,6 @@
 import functools
 from importlib import import_module
-from inspect import getfullargspec
+from inspect import getfullargspec, unwrap
 
 from django.utils.html import conditional_escape
 from django.utils.itercompat import is_iterable
@@ -106,7 +106,7 @@ class Library:
             return 'world'
         """
         def dec(func):
-            params, varargs, varkw, defaults, kwonly, kwonly_defaults, _ = getfullargspec(func)
+            params, varargs, varkw, defaults, kwonly, kwonly_defaults, _ = getfullargspec(unwrap(func))
             function_name = (name or getattr(func, '_decorated_function', func).__name__)
 
             @functools.wraps(func)
@@ -143,7 +143,7 @@ class Library:
             return {'choices': choices}
         """
         def dec(func):
-            params, varargs, varkw, defaults, kwonly, kwonly_defaults, _ = getfullargspec(func)
+            params, varargs, varkw, defaults, kwonly, kwonly_defaults, _ = getfullargspec(unwrap(func))
             function_name = (name or getattr(func, '_decorated_function', func).__name__)
 
             @functools.wraps(func)